Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash	$ 238,545	$ 850
Cash and Cash Equivalents, at Carrying Value	238,545	850
Accounts receivable, net	100,053	104,274
Fair value of derivatives	183,484	221,659
Prepaid expenses and other current assets	5,970	5,266
Total current assets	528,052	332,049
Properties and equipment, net	1,942,498	1,940,552
Fair value of derivatives	35,641	44,387
Other assets	9,206	53,555
Total Assets	2,515,397	2,370,543
Current liabilities:
Accounts payable	73,898	92,613
Production tax liability	26,541	26,524
Fair value of derivatives	5,173	1,595
Funds held for distribution	28,008	29,894
Current portion of long-term debt	114,183	112,940
Accrued interest payable	19,758	9,057
Other accrued expenses	20,610	28,709
Total current liabilities	288,171	301,332
Long-term debt	492,717	529,437
Deferred income taxes	100,080	143,452
Asset retirement obligation	82,703	84,032
Fair value of derivatives	5,966	695
Other liabilities	29,311	24,398
Total liabilities	$ 998,948	$ 1,083,346
Commitments and contingent liabilities
Shareholders' Equity:
Preferred shares - par value $0.01 per share, 50,000,000 shares authorized,none issued	$ 0	$ 0
Common shares - par value $0.01 per share, 150,000,000 authorized, 46,210,022 and 40,174,776 issued as of March 31, 2016 and December 31, 2015, respectively	462	402
Additional paid-in capital	1,208,117	907,382
Retained earnings	308,892	380,422
Treasury shares - at cost, 20,836 and 20,220 as of March 31, 2016 and December 31, 2015, respectively	(1,022)	(1,009)
Total shareholders' equity	1,516,449	1,287,197
Total Liabilities and Shareholders' Equity	$ 2,515,397	$ 2,370,543